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Finding the Third Proportional to 38,547 and 84,079

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Solution

The third proportional to 38,547 and 84,079 is: 183,393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,547 : 84,079 = 84,079 : x
  2. Step 2: Convert to fraction form
    38,547/84,079 = 84,079/x
  3. Step 3: Cross multiply
    38,547x = 84,079 × 84,079
  4. Step 4: Simplify right side
    38,547x = 7,069,278,241
  5. Step 5: Solve for x
    x = 7,069,278,241/38,547
  6. Step 6: Final answer
    x = 183,393.73

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.